--- title: "Aim Sports M4 Stock Lock Pin Black Steel" description: "New steel M4 stock lock pin with a black finish, 1.4\" length, and 1:1 OEM replacement design. Fits USGI M4, B5, Sopmod, VLTOR, BCM, Blackhawk, and LWRC stocks." canonical_url: "https://www.kygunco.com/product/aim-sports-stock-lock-pin-m4-steel-black" meta: author: KYGUNCO "og:description": "New steel M4 stock lock pin with a black finish, 1.4\" length, and 1:1 OEM replacement design. Fits USGI M4, B5, Sopmod, VLTOR, BCM, Blackhawk, and LWRC stocks." "og:image": "https://cdn.kygunco.com/assets/products/259604/thumbnail.jpg?v=1723751887" "og:image:height": "500" "og:image:width": "500" "og:title": "Aim Sports M4 Stock Lock Pin Black Steel" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Stocks & Recoil Pads](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/stocks-and-recoil-pads) / MSP-PJARSTKCP-B ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/259604/main.jpg?v=1723751887) For illustration purposes only, this image may not be an exact representation of the product. # AIM SPORTS Stock Lock Pin M4 Steel Black The Aim Sports M4 Stock Lock Pin is an all-steel replacement pin with a black finish for California featureless buttstock configurations. Its 1:1 OEM replacement design fits USGI M4, B5, Sopmod, VLTOR, BCM, Blackhawk, and LWRC stocks. It measures 1.4" long and weighs 0.3 oz. $7.99 Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Selling fast. Limited quantities available. Item # 259604 Style MSP-PJARSTKCP-B UPC 815879018038 Condition New Manufacturer [Aim Sports](https://www.kygunco.com/brand/aim-sports) Weight 2 lb Since 2007 Aim Sports Inc. has been a leader in bringing innovative, quality, affordable products to all varieties of American Shooters. Whether it is unique modifications for classic surplus rifles, or KeyMod and M-Lok compatible rail systems and accessories. Aim Sports Inc. stays on the cutting edge of this rapidly evolving industry. This AR-15 M4 Stock Lock Pin designed for use with California Featureless buttstock configuration . This product has not been approved for legal compliance by any state or local firearms regulatory authority. Please consult with a competent firearms attorney before attempting to make your rifle compliant with state or local assault weapons ban laws. **Features and Specifications:** - Manufacturer Number: PJARSTKCP-B - 1:1 Swap with OEM stock pin - Compatible with USGI M4, B5, Sopmod, VLTOR, BCM, Blackhawk and LWRC Stocks - All Steel Construction - Length: 1.4" - Weight: 0.3 oz. - Black finish **Fits:** - USGI M4, B5, Sopmod, VLTOR, BCM, Blackhawk and LWRC Stocks Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Aim Sports ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/aim-sports-stock-lock-pin-m4-steel-black#webpage","@type":"WebPage","description":"New steel M4 stock lock pin with a black finish, 1.4\" length, and 1:1 OEM replacement design. 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